Captions adding system and method

A superimposing method and subtitle technology, which are applied in the parts of TV systems, TVs, and color TVs, etc., can solve the problems of mutual pollution of chromaticity information and large consumption of storage resources, and save storage resources and computing resources. Solve the problem of color pollution, the effect of good subtitle overlay effect

Inactive Publication Date: 2007-01-03
CHIPNUTS TECH INC
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Problems solved by technology

[0004] In order to solve the problems of mutual contamination of chrominance information and large consumption of computing and storage resources existing in the existing method of directly superimposing subtitles on video content during content production, the present invention provides a subtitle superimposition system suitable for image or video content and method, the system can not only avoid color pollution between subtitles and image content, but also save computing resources and storage resources during playback

Method used

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  • Captions adding system and method
  • Captions adding system and method
  • Captions adding system and method

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Embodiment Construction

[0015] Such as figure 1 As shown, the subtitle superimposing system of the present invention includes a control module 1 , a subtitle adding module 2 , first and second down-sampling modules 3 a , 3 b , and an image subtitle mixing module 4 . The control module 1 is respectively connected with the first and second down-sampling modules 3a, 3b and the image subtitle mixing module 4, and the image subtitle mixing module 4 is respectively connected with the first and second down-sampling modules 3a, 3b. The image signal is input from the image subtitle mixing module 4 through the first down-sampling module 3a, and the subtitle signal is input to the image subtitle mixing module 4 through the subtitle adding module 2 and the second down-sampling module 3b successively, and the image and subtitle signal after mixing are from the image Subtitle mixing module 4 output.

[0016] refer to figure 2 with image 3 , specifically explain the working process of the subtitle superimposin...

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Abstract

A caption adding system is featured as connecting control module to the first and the second sampling modules as well as image-caption mixing module, connecting image-caption mixing module separately to the first sampling module and the second sampling module, inputting image signal to image-caption mixing module via the first sampling module, inputting caption signal to image-caption mixing module via caption edging module and the second sampling module, outputting mixed image and caption signal from image-caption mixing module.

Description

technical field [0001] The present invention relates to an image or video signal processing system and method, in particular to a system and method for superimposing subtitles on image or video content. Background technique [0002] Today's film and television works, no matter whether they are foreign or domestic, are generally equipped with subtitles, so that people can easily understand the content of the works while appreciating the works. The commonly used subtitle superimposition method is on-screen display (OSD) technology, that is, when playing video content, the two-way signal of image and subtitle is alpha mixed, and then output through a multiplier to realize the superimposition of background image and subtitle. [0003] Because this method needs to perform mixed calculations on images and subtitles in real time when playing images or video content, the required computing resources are relatively large, and the images and subtitles need to be stored separately, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/278
Inventor 罗巍
Owner CHIPNUTS TECH INC
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